diff --git a/out.bin b/out.bin
index a0e67b6..8865467 100644
Binary files a/out.bin and b/out.bin differ
diff --git a/out.hex b/out.hex
index 569110f..6cf7958 100644
--- a/out.hex
+++ b/out.hex
@@ -2,32 +2,34 @@
 :1000100081400141814101428142014381430144C8
 :100020008144814601478147970100209381817D6A
 :10003000F32340F1B70200009382020063F47200E0
-:100040006F006018170100201301C17BB702000088
+:100040006F00001A170100201301C17BB7020000E6
 :1000500093820240638603001E837D13E31F03FE29
 :1000600033015140330401006F004000411106C6C6
 :100070000008137101FF732540F197000000E7802D
-:10008000201221C997000000E780401137050020A9
-:1000900013050500B7050020938505006377B500BB
+:10008000C01321C997000000E780E0123705002067
+:1000900013050500B7050020938545006377B5007B
 :1000A000232005001105E36DB5FE3705002013057B
-:1000B0000500B70500009385851F3706002013064D
+:1000B0000500B7050000938545213706002013068B
 :1000C00006006378C500944114C111059105E36CE5
-:1000D000C5FE97000000E780E00D97000000E78074
+:1000D000C5FE97000000E780800F97000000E780D2
 :1000E00060080000397106C016C21AC41EC62AC8AC
 :1000F0002ECA32CC36CE3AD03ED233050100EF00C4
 :100100000002824092422243B2434245D2456246B7
 :10011000F2460257925713014102730020300A84BD
 :10012000137101FFF325203463C7050022811703F3
-:10013000000067006306139515000581B145637CD7
-:10014000B5000A05B70500009385851C2E951C4156
-:1001500099C3228182872281170300006700E3038D
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-:1001E8009601000096010000000000009601000042
+:10013000000067000308139515000581B145637C35
+:10014000B5000A05B70500009385451E2E951C4194
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+:1001A000759A50C52E8665D67D167DFECDB701A009
+:1001B00001A0228182800A84137101FF01C57300AE
+:1001C0005010F5BF0545228182800A84137101FF1A
+:1001D000370500001305450E7310553022818280CB
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+:1001F400B0010000B001000000000000B0010000E8
+:10020400B0010000B001000000000000B0010000D7
 :00000001FF
diff --git a/src/main.rs b/src/main.rs
index b59067b..2050e42 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -3,34 +3,31 @@
 
 use panic_halt as _;
 use riscv_rt::entry;
-// use ch32v003_pac::{Peripherals};
+use ch32v003_pac::{gpioc,rcc};
 
 // entry!(main);
 #[entry]
 fn main() -> ! {
-    let RCC_APB2PCENR: *mut u32 = 0x4002_1018 as _;
-    let GPIOC_CFGLR: *mut u32 = 0x4001_1000 as _;
-    let GPIOC_OUTDR: *mut u32 = 0x4001_100C as _;
-
-    unsafe {
-        RCC_APB2PCENR.write_volatile(0b1_0000);
-        // Write 0b0001 to pin 1 configuration
-        GPIOC_CFGLR.write_volatile(0b0101_0000);
-
+    let p = unsafe { ch32v003_pac::Peripherals::steal()};
+  // Enable GPIOC bank
+  p.RCC.apb2pcenr.modify(|_, w| w.iopcen().set_bit());
+      // Configure GPIOC pin 1
+      p.GPIOC.cfglr.modify(|_, w| {
+        w.cnf1().variant(0b01) // Open-Drain
+         .mode1().variant(0b01) // Output, 10Mhz
+    });
         loop {
-            // Set pin 1 to high
-            GPIOC_OUTDR.write_volatile(0b1_0);
-            for _ in 0..1_000_000 {
-                core::hint::black_box(()); // Do nothing, but keep the loop
-            }
-
-            // Set pin 1 to low
-            GPIOC_OUTDR.write_volatile(0b0_0);
+                    // Turn pin 1 on
+        p.GPIOC.outdr.modify(|_, w| w.odr1().set_bit());
+        for _ in 0..1_000_000 {
+            core::hint::black_box(());
+        }
 
-            for _ in 0..1_000_000 {
-                core::hint::black_box(()); // Do nothing, but keep the loop
-            }
+        // Turn pin 1 off
+        p.GPIOC.outdr.modify(|_, w| w.odr1().clear_bit());
+        for _ in 0..1_000_000 {
+            core::hint::black_box(());
+        }
         }
-    }
+}
 
-}
\ No newline at end of file